Electric headlight



(NofModel.)

J. KIRBY, Jr, ELECTRIC HEADLIGHT.

No. 589,130. Patented Aug. 31.1897.

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` 'UNITED STATES PATENT l GEEICE.

'JOHN. KIE`BY, JR., on DAYTON, o1-no, AssIGNoaTo THE UNITED sTATEsHEADLIGHT COMPANY, OE UTICA, NEW YORK.

. ELECTRIC HEAllG-Fll'.-

, sPnciEIcATIoN forming partpf' Letters' recent No. 5s9,1a`o,dtefiAugust 31,1897.

Application led February J l897. Serial No. 623,522. (No model.)

To all whom it may concern.-

Be it known that I, JOHN KIRBY, Jr., a citizen of the United States,residing at Dayton,

in the county of Montgomery'and State 0f- Ohio, havewinvented certainnew and useful Improvements in Electric Headlights; and I doherebydeclare that the followingis a full,

clear, and exact description' of the invention. My inventionrel'ates toelectric headlights suchas are adapted to be attached to rthe dashboardsof street-cars; and it consists in certain new and-novel features, ashereinafter fully described, pointed out in the claims, and shown inthe-accompanying drawings, forming a part of this speciticatiomand inwhich- Figure 1 is a front view of the headlight applied to thedashboard of a street-car and as seen from thefront side thereof;}Fig.`2, a vertical section through thecenter line of Fig. 1, the lamp andsocket being shown in v full; Fig. 3, a front perspectiveview of theceive bolts 14, that pass through the dash and by which the dash-collaris permanently seheadlight detached from the dashboard; Fig. 4, asection of the dash-ring, takenfthrough line A A of Fig. 1, lookingupWard;.Fig`. 5, a similarmsection taken through line I5 B, lookingdownward.` A

Similar numerals indicate corresponding l parts in the several gures ofthe drawings.

1 represents a dashboard of a street-car provided with an openin gregistering with a dashcollar 2, having a central opening f3, a frontprojecting rim 4, a shoulder 5, anda rear projectingrim 6. I

The headlight consists, chiefly,of'a case 7,

provided with a parabolic reflector 8, lamp 9,1

lamp-socket 10, and lamp-socket holder 11. The case is closed at itsrear end and open at its front end, .where it is provided with anannular iiange 12, having a number of boltholes .13, which register withcorresponding holes in the dash-collar 2, and which holes recured totheoutside of the dashboard and the headlight-to the inside thereof, asshown in Fig. 2. I'prefer thatvthe liange 6 be somewhat wider than thethickness of the dashboard and that it extend a slight'distance beyondthe -rear side thereof* to receive an offset 16 at the front of theheadlight-case, as a matter of convenience in mounting the latter. A

glass 17, through which the light is transmitted, covers the open Vendof the reflector and is held in a channeled ring 17a, separated at-ISand provided with projecting lugs 19 20,

the lug 19 being tapped to register with-a machine-screw 21 and the lug2O being perforated tojallow the said screw to pass freely therethrough.When the vscrew v21 is'` removed, ring 17a can be sprung apartsufficient to insert the glass, after which its ends are dra-wn togethervby the screw-21, the head 'of which bears against the outer sideof thepress against the pins 22 23,. thereby pressing the ring close againstthe shoulder 5. To provide against the pins becoming misplaced or lost,I attach them to ears 28 29 by chains 30 31."

'Ehe bottom of the caseis provided with a housing 33 to accommodate thelamp-socket, and depending from the'salne is a hollow sleeve 3 4, withinwhich the socket-holder is movable and within which it .is held in placeby a set-screw 35.- The lower end of the hollow sleeve` 34 terminates ina conduit 36, through which,current-conveying Wires (not shown) leadfrom the platform of the car to the lamp-socket through a central bore37 of the socket-holder. The reflector is provided with an opening 3Sfor theA passage of the lamp-socket, andit may be secured within thecase by any suitable means. In the foregoing I have described what I nowconsider tofvbe the best manner of carrying out'the details Yofmyinvention, but it is obvious that such details maybe departed fromwithout departing from the spirit thereof. l

What I claim, and desireto secure by Letters Patent, is

1. As an improvement in dash electric head- `of ring 17 and their freeends arranged to IOO lights, the combination with vthe dashboard of arailway-car having an opening cut through the saine, of a headlight-caseprovided at its front or open end with means by which it is secured tothe rear side of said dashboard opposite the said opening therein; areliector, a lamp-socket holder, a lamp-socket and an incandescent lampmounted within the case and removable therewith, a dash-collar sccuredto'said dashboard on the front side thereof, the open center of whichregisters with the opening in said dashboard and with the open end ofthe headlight, a riin projecting forward of said dash-collar andcarrying a glass-holder provided with a glass for covering the saidopenings, a fastening for securing the glass within said holder and adevice for coupling the said glass-holder within said rini, wherebyaccess to the interior of the headlight through said openings and fromthe front side of said dashboard may bc had, substantially as set forth.

2. As an improvement in dash electricheadlights, the combination withthe dashboard of a railway-car having an opening cut through the saine,of a headlight-case provided at its front or open end with means bywhich it is secured to the rear side of said dashboard opposite the saidopening therein; a reliector, a lamp-socket holder, a lamp-socket and anincandescent lamp mounted within the case and removable therewith,v adash-collar provided With a forwardly-projecting riin and secured to thefront side of said dashboard; the open center of which dash-collarregisters with the opening in said dashboard and with the front or openend of the headlight, a removable glass-holder carrying a glass forcovering the open end of said reflector, afastcning for securing theglass within said glassholder, and a device for retaining the saidglass-holder within the said rim and against a shoulder adjacentthereto, whereby access to the interior of the headlight through saidopenings, and from the front side of the dashboard may bc had,substantially as set forth.

3. In a headlight for street-cars, the coinbination with the dashboardof such car having an opening cut through the saine, of a headlight withthe front or open end of its casing secured to the rear side of saiddashboard and registering with said opening therein, a removableglass-holder carrying a glass for covering the open end of the reflectorof said headlight, a rim projecting forward of the open end of saidreflector and of said dashboard, a shoulder formed adjacent to said rim,fastenings for retaining the said glass-holder within the said rim,springs operating in conjunction with the said fastenings and saidglass-holder, whereby thelatter is pressed closely against said shoulderand access to theinteriorof the headlightthrough said openings can bchad, substantiallyas set forth.

JOHN KIRBY, JR.

Vitnesses:

H. D. HENDRICK, ED L. SPENCER.

